Head-to-head · AI Fitness Apps
Styrki vs Adapt Fitness
Styrki leads on 0 checks, Adapt Fitness on 0, and 6 are even. Who comes out ahead on the 6 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.
Our verdict
- Highest scoreStyrki · 8.8/10
- Free planboth
- Free trialboth
Styrki scores higher on our rubric for ai fitness apps: 8.8 against 8.6 out of 10; our editors rank them #6 and #8.
Styrki is the better fit for low-cost strength training with voice coaching. Adapt Fitness is the better fit for free adaptive strength plans for Apple users.
- Styrki fits best
Low-cost strength training with voice coaching
- Adapt Fitness fits best
Free adaptive strength plans for Apple users
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Side by side
| Feature | Styrki 8.8/10 Visit ↗ | Adapt Fitness 8.6/10 Visit ↗ |
|---|---|---|
| At a glance | ||
| Editor score | 8.8 | 8.6 |
| Ranking | #6 in AI Fitness Apps | #8 in AI Fitness Apps |
| Best for | Low-cost strength training with voice coaching | Free adaptive strength plans for Apple users |
| Pricing model | Free plan + paid | Free plan + paid |
| Starting price | $5/mo | — |
| Free plan | ✓ | ✓ |
| Free trial | 7 days | 7 days |
| Free trial length | 7 days · no card needed | 7 days |
| Deployment | Mobile | Mobile |
| Platforms | iOS | iOS |
| Support | Docs | |
| Integrations | 6 integrations | 3 integrations |
| Built for | Solo, Small business | Solo, Small business |
| Features Styrki 5/5 · Adapt Fitness 5/5 | ||
| AI coaching | ✓ | ✓ |
| Adaptive progression | ✓ | ✓ |
| Custom workout plans | ✓ | ✓ |
| Equipment profiles | ✓ | ✓ |
| Wearable sync | ✓ | ✓ |
| Specs | ||
| Exercise library | 600 exercises | Not checked yet |
| Supported platforms | iOS | ios |
| Our review | ||
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| Cons |
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| Our verdict | Styrki is an iPhone fitness app for strength training and running. It generates personalized workouts, adjusts weights, sets, reps and progression from training feedback, and tracks recovery, personal records and running performance. The… Read the review → |
Adapt Fitness is an iPhone strength-training app for people who want structured plans that adjust to their goals, schedule, equipment, training level and restrictions. Its free plan covers core training, while optional Pro subscriptions… Read the review → |
Strengths and trade-offs
Styrki — where it wins
- Free manual workout logging with GPS, cardio and heart-rate tracking
- Adaptive weights, volume and progression with AI-generated workouts
- Apple Watch, Apple Health and multiple wearable integrations
Where it doesn't
- Available only on iOS
- Free plan limits users to 3 AI workouts and 5 coach messages
- Live voice coaching requires the highest-priced tier
Adapt Fitness — where it wins
- Free core training with adaptive weekly plan adjustments
- Weak-point detection and progressive-overload recommendations
- Apple Health, Apple Watch and Garmin Connect support
Where it doesn't
- Available only on iOS
- Pro features require a subscription
- Wearable and recovery features center on Apple Health
- Styrki8.8/10 · Free plan · 7-day trial
A low-cost iPhone strength coach with adaptive plans, voice guidance and a free tier.
Visit StyrkiFull verdict → - Adapt Fitness8.6/10 · Free plan · 7-day trial
A strong free option for adaptive strength planning on Apple devices.
Visit Adapt FitnessFull verdict →
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
Last updated · How we research and update




